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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 540 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.43 × 4 =
  3. 3.22 × 4 =
  4. 4.10 × 4 =
  5. 5.27 × 4 =
  6. 6.60 × 4 =
  7. 7.12 × 4 =
  8. 8.17 × 4 =
  9. 9.28 × 4 =
  10. 10.6 × 4 =
  11. 11.47 × 4 =
  12. 12.54 × 4 =
  13. 13.20 × 4 =
  14. 14.7 × 4 =
  15. 15.36 × 4 =
  16. 16.39 × 4 =
  17. 17.46 × 4 =
  18. 18.40 × 4 =
  19. 19.44 × 4 =
  20. 20.29 × 4 =
  21. 21.18 × 4 =
  22. 22.58 × 4 =
  23. 23.23 × 4 =
  24. 24.31 × 4 =
  25. 25.35 × 4 =
  26. 26.52 × 4 =
  27. 27.56 × 4 =
  28. 28.55 × 4 =
  29. 29.49 × 4 =
  30. 30.50 × 4 =
  31. 31.57 × 4 =
  32. 32.14 × 4 =
  33. 33.15 × 4 =
  34. 34.9 × 4 =
  35. 35.11 × 4 =
  36. 36.59 × 4 =
  37. 37.32 × 4 =
  38. 38.38 × 4 =
  39. 39.8 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 204
  2. 172
  3. 88
  4. 40
  5. 108
  6. 240
  7. 48
  8. 68
  9. 112
  10. 24
  11. 188
  12. 216
  13. 80
  14. 28
  15. 144
  16. 156
  17. 184
  18. 160
  19. 176
  20. 116
  21. 72
  22. 232
  23. 92
  24. 124
  25. 140
  26. 208
  27. 224
  28. 220
  29. 196
  30. 200
  31. 228
  32. 56
  33. 60
  34. 36
  35. 44
  36. 236
  37. 128
  38. 152
  39. 32
  40. 100

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks